An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 6145-00-901-8619
NSN 5985-01-116-4598
NSN 5910-01-390-7213
NSN 6110-01-005-5140
NSN 5990-01-463-2279
NSN 5945-01-619-4458
NSN 6145-01-348-8602
NSN 5990-01-471-7858
NSN 7035-01-391-3518
NSN 6130-01-144-1113
NSN 5945-00-814-0774
NSN 7035-00-096-9986